The notion of a _family crest_....

The notion of a 'family crest' - i.e. that the crest is shared by al descendants of the grantee with no differences - turns out to be opt-out.

While it is the default in Canada, one may get granted wildly different crests for their children, as evidenced in this grant.

I have nooo idea what happens upon the death of the original grantee - does the first child gets both their parents and their own crests?

http://reg.gg.ca/heraldry/pub-reg/project.asp?lang=e&ProjectID=2859

Palmer, Dale [Individual]